Description: 1.Unfolded Height：12.5 FT 2.Max. Load：150kg/330lbs 3.Material：Aluminum Feature: 1.Flexible Expansion And Contraction: Unique Expansion And Contraction Design, Easy And Convenient Operation. You Only Need To Gently Pull Or Push The Ladder To Quickly Adjust To The Desired Height, Without The Need For Complex Installation And Disassembly Processes, Greatly Saving Your Time And Energy. .